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Apple Land Activity

Use and apple to demonstrate and visualize how much usable farmland we have on earth.
by

Jared Laberge

on 20 June 2014

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Transcript of Apple Land Activity

APPLE LAND activity
Use an apple and a knife to complete the following steps and discover how much usable farmland we have on earth.
TOPSOIL
What you have left is now suitable for growing crops.
But... agriculture only takes place on the surface of the earth in a topsoil layer approximately 1 m thick.
Carefully slice off the peel of the piece you have left.
WATER
DESERTS, MOUNTAINS, POLAR REGIONS
CITIES, HIGHWAYS,
POOR SOIL
ROCK
TOPSOIL
THIS IS IT!
SLICE
3/4 of the earth is water.
1/4 of the earth is land.
WATER
SLICE
UNINHABITABLE LAND
1/2 of all land is not suitable for humans to live.
This land includes deserts, mountains, and polar regions.
NON-Arable Land
3/4 of all habitable land is not suitable for agriculture.
This land is used for cities/urban places, highways, or has poor soil/climate.
SLICE
SLICE
THE BIG PICTURE
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